exudates and Night-Blindness

This study determined the prevalence of ocular manifestation of vitamin A deficiency in Orang Asli (Aborigine) children. Night blindness was found in 16.0% of the children, conjunctiva xerosis in 57.3%, Bitot's spot in 2.8%, corneal xerosis in 0.5% and corneal scars in 5.6%. These findings show that history of night blindness had sensitivity, specificity and predictive value (positive) of 47.2, 98.1 and 96.2%, respectively, compared with the standard diagnosis procedure using luxometer readings.

Topics: Adolescent; Age Distribution; Child; Child, Preschool; Eye Diseases; Female; Humans; Infant; Malaysia; Male; Native Hawaiian or Other Pacific Islander; Night Blindness; Racial Groups; Sex Distribution; Vitamin A Deficiency

Topics: Animals; Child; Child, Preschool; Culture; Diet; Fish Products; Fishes; Fruit; Humans; Liver; Malaysia; Medicine, Traditional; Night Blindness; Nutrition Surveys; Socioeconomic Factors; Vitamin A Deficiency